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test/parse1.awk
35 строк
952 B
Arnold D. Robbins
Move to gawk-3.1.6.
16 июл 2010, 15:49
16 июл 2010, 15:49
6a2caf2
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# Date: Fri, 06 Jan 2006 14:02:17 -0800 # From: Paul Eggert <eggert@CS.UCLA.EDU> # Subject: gawk misparses $expr++ if expr ends in ++ # To: bug-gawk@gnu.org # Message-id: <87irsxypzq.fsf@penguin.cs.ucla.edu> # # Here's an example of the problem: # # $ gawk 'BEGIN{a=3}{print $$a++++}' # gawk: {print $$a++++} # gawk: ^ syntax error # # But it's not a syntax error, as the expression conforms to the POSIX # spec: it should be treated like '$($a++)++'. # # Mawk, Solaris awk (old awk), and Solaris nawk all accept the # expression. For example: # # $ echo '3 4 5 6 7 8 9' | nawk 'BEGIN{a=3}{print $$a++++}' # 7 # # This is with gawk 3.1.5 on Solaris 8 (sparc). # # # ##################################################################################### # This Mail Was Scanned by 012.net AntiVirus Service1- Powered by TrendMicro Interscan # BEGIN { a = 3 } { print "in:", $0 print "a =", a print $$a++++ print "out:", $0 }